Run VibesBeta

Race profile

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Overview

Marathon · Half Marathon · 10K · 5K · Fun Run · 1 mi

Oct 4, 2026 · Windsor, Colorado, US

On our calendar since Dec 2019

The read

Run Vibes summary

Summarization pending

AI summarization pending

We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the enrichment queue and will appear here soon with notes on vibe, race-day feel, and who the event suits best.

Until then, open Original listing below for the full source description, and double-check anything important on the organizer’s page.

Original listingRegistration & details — Full description from sourceExpand the official listing text (unchanged)

Welcome to the Windsor Marathon. This event starts and ends at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks and music. Tour beautiful Windsor on a variety of terrain, through golf courses, along the Poudre River trail, up and down hills, and event single track dirt trails for the marathon.

There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon. This year's races benefits Banner MD Anderson Cancer Center and the Weld RE-4 Foundation. Create a team and let's show our strength in numbers!

Weekly Runvibes digest

Coming soon: a short email with new listings and weekend-ready picks for races like this one. Leave your email and we'll notify you when it launches—no spam in the meantime.

We only use this to send Runvibes race updates when the program is ready. You can ask us to remove your email anytime via Contact.

More races

More events in Colorado, and comparable distances or challenge.

Valborg 5K

5K

3/28/2026 · Loveland, CO

On our calendar since Mar 2026

Register
Difficulty
Steady Effort
Vibes
Festive Seasonal

Lace up for the inaugural Valborg 5K, a trail race in Loveland, CO, celebrating spring with a challenging 3.1-mile run.

The City Park Circuit, Powered by New Balance

2 mi · 25 mi

3/28/2026 · Denver, CO

On our calendar since Dec 2024

Register
Difficulty
Push Potential
Vibes
CompetitiveFunQuirkyFestive
Audience & Community
Kids & YouthBeginner Friendly
Perks & Swag
Awards

This inaugural Denver event offers a unique blend of serious competition with USATF-certified races and a laid-back community run welcoming all paces, strollers, and even dogs.

Aurora Polar Plunge

5K

3/28/2026 · Aurora, CO

On our calendar since Apr 2018

Register
Difficulty
Easygoing
Vibes
Cause DrivenQuirkyFun
Audience & Community
Social & FestiveBeginner Friendly

A 5K supporting Special Olympics, culminating in a chilly "Polar Plunge" in Aurora, CO.

Cryogenic Cannibal Chase

8K · 5 mi

3/28/2026 · Estes Park, CO

On our calendar since Nov 2025

Register
Difficulty
Steady Effort
Vibes
QuirkyFunFestive Seasonal
Audience & Community
Social & FestiveScenic EscapeBeginner Friendly

Kick off Frozen Dead Guy Days with the Cryogenic Cannibal Chase, an 8k 'ripper' around Lake Estes, complete with a sick beanie and breakfast bagel.

Spring Equinox

Half Marathon · 5K

3/29/2026 · Wellington, CO

On our calendar since Oct 2023

Register
Difficulty
Steady Effort
Vibes
Festive SeasonalScenic
Audience & Community
Beginner Friendly

Kick off spring with a scenic half marathon or 5k on country roads in Wellington, Colorado, celebrating the season's fresh start.

Cottonwood Glen T&H 12K

12K · 7.5 mi

3/29/2026 · Fort Collins, CO

On our calendar since Mar 2026

Register
Difficulty
Steady Effort
Vibes
CompetitiveFun
Audience & Community
Community Favorite

Join Fort Collins Running Club members for the 7th and final T&H 12K of the season at Cottonwood Glen Park.

Dance Marathon 5K

5K · Marathon · Walk

3/29/2026 · Fort Collins, CO

On our calendar since Feb 2026

Register
Difficulty
Easygoing
Vibes
Cause DrivenFun
Audience & Community
Beginner Friendly

Join this inaugural 5K walk or run in Fort Collins to support Children's Hospitals Colorado and make a difference.

RMRR Spring Marathon Training Series #1

10 Mile · 10 mi · 20 mi · 40 mi · Marathon

3/29/2026 · Thornton, CO

On our calendar since Dec 2015

Register
Difficulty
Push Potential
Vibes
CompetitiveFun
Audience & Community
Community FavoriteBeginner Friendly

A low-cost, low-keyed training series by RMRR, offering supported and timed 10-mile and 20-mile runs to help prepare runners of all abilities for spring marathons.